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430 B

"use strict";
module.exports = function (t, a) {
var x = [], y = {}, z = {};
a.deep(t.call(x, y), [], "Empty");
a.not(t.call(x), x, "Returns copy");
a.deep(t.call([1], y), [1], "One");
a.deep(t.call([1, "raz"], y), [1, y, "raz"], "One");
a.deep(t.call([1, "raz", x], y), [1, y, "raz", y, x], "More");
x = new Array(1000);
x[23] = 2;
x[3453] = "raz";
x[500] = z;
a.deep(t.call(x, y), [2, y, z, y, "raz"], "Sparse");
};